1、
TECH · NIC traction convertor created the innovation era of AC motor transmission.
采用国际先进技术的牵引变频器开创了交流电机车传动的新纪元.
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2、
influence of defects on stator windings of traction motor supplied by frequency convertor
缺陷对变频牵引电机定子绕组绝缘的影响
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